Headphone



FIG. 1 is a perspective view of headphone, showing a new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, which is a mirror image of a right side elevational view;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Any surface ornamentation, logos, or written matter shown in FIGS. 1-6 are included for the purpose of illustrating environmental elements only and form no part of the claimed design. 

CLAIM The ornamental design for headphone, as shown and described. 